21462896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14741}}^1$

素因数の和:14769

約数の個数: 40

約数和(自身を含む): 51184224

約数和(自身を除く): 29721328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14741, 29482, 58964, 103187, 117928, 191633, 206374, 235856, 383266, 412748, 766532, 825496, 1341431, 1533064, 1650992, 2682862, 3066128, 5365724, 10731448, 21462896]

約数ペア:

[(1, 21462896), (2, 10731448), (4, 5365724), (7, 3066128), (8, 2682862), (13, 1650992), (14, 1533064), (16, 1341431), (26, 825496), (28, 766532), (52, 412748), (56, 383266), (91, 235856), (104, 206374), (112, 191633), (182, 117928), (208, 103187), (364, 58964), (728, 29482), (1456, 14741)]